On Thu, Sep 16, 2010 at 2:52 PM, Peter Eisentraut <pete...@gmx.net> wrote: >> > a very simple query. >> SELECT * FROM tbl; >> can report reasonable progress, but >> SELECT count(*) FROM tbl; >> cannot, because planned_tuple_count of the aggregation is 1. >> I hope better solutions for the grouping case because they are used >> in complex queries, where the progress counter is eagerly wanted. > > I think that's a problem for a later day. Once we have the interfaces > to report the progress, someone (else) can investigate how to track > progress of arbitrary queries.
I reiterate my earlier criticism of this whole approach: it seems to assume that computing query progress is something inexpensive enough that we can afford to do it regardless of whether anyone is looking. -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise Postgres Company -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
